Full Stack React JS

• *Mission Overview:**

Join Keystone Solutions as a consultant for a client-facing mission focused on enhancing an existing web application. As a Keystone Solutions consultant, you will develop in React JS and deliver targeted improvements to an application used by collaborators to communicate with asylum seekers. Collaborators write messages in French, Dutch, or English, which are automatically translated into 14 different languages and sent to recipients via WhatsApp.

• *Consultancy Model at Keystone Solutions:**

This opportunity is delivered under Keystone Solutions' consultancy model. You will work on-site or in close collaboration with the client, representing Keystone Solutions and delivering value directly within the client's environment while benefiting from the dynamism of consultancy engagements.

• *Key Responsibilities:
• Develop in React JS to enhance an existing application with a set of targeted improvements.
• Contribute to a multilingual messaging workflow where collaborators write messages in FR/NL/EN that are automatically translated and sent to asylum seekers in their own languages (14 different languages) via WhatsApp.
• Execute these responsibilities as a Keystone Solutions consultant, working closely with the client's teams and stakeholders.
• *Role:
• Confirmed Full-Stack Developer
• Most recent experience: Any time
• *Required Skills and Experience:
• Database — Level: Junior — Most recent experience: Any time
• JavaScript — Level: Confirmed — Most recent experience: Any time
• Node.js — Level: Junior — Most recent experience: Any time
• React JS — Level: Confirmed — Most recent experience: Any time
• *Languages:
• Dutch or French — Level: Active knowledge
• English — Nice to have
• *Additional Capabilities:
• Ability to write functional analyses
• Ability to write technical analyses
• *Consultancy Advantages: Nature of Work
• Operate as a Keystone Solutions consultant embedded with the client, delivering hands-on impact and collaborating directly with end users and stakeholders.
• *Consultancy Advantages: Dynamic Projects
• Engage with diverse challenges across client initiatives, applying full-stack and React expertise to real-world communication and translation workflows.
• *Consultancy Advantages: Learning and Development
• Broaden your skills through varied client contexts and modern JavaScript tooling as part of Keystone Solutions' consultancy environment.
• *Consultancy Advantages: Career Growth
• Accelerate your progression by delivering measurable outcomes on client projects and expanding your responsibilities within a consultancy framework.
• *Keystone Solutions' Values in a Consultancy Context:

As a K-Stone, you bring Keystone Solutions' core values to every client engagement—delivering quality, fostering collaboration, and maintaining a strong commitment to client impact throughout each mission.

• *Apply Your Full-Stack React Expertise Across Client Scenarios:**

This role is ideal for a Confirmed Full-Stack Developer with strong React JS skills who can navigate multilingual features, messaging integrations (including WhatsApp), and iterative improvements while collaborating within the client's environment as a Keystone Solutions consultant.

• *How to Apply:**

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today .